145234455 has 8 divisors (see below), whose sum is σ = 232375152. Its totient is φ = 77458368.

The previous prime is 145234447. The next prime is 145234457. The reversal of 145234455 is 554432541.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 145234455 - 2³ = 145234447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145234457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4841134 + ... + 4841163.

It is an arithmetic number, because the mean of its divisors is an integer number (29046894).

Almost surely, 2^145234455 is an apocalyptic number.

145234455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145234455 is a deficient number, since it is larger than the sum of its proper divisors (87140697).

145234455 is an equidigital number, since it uses as much as digits as its factorization.

145234455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9682305.

The product of its digits is 48000, while the sum is 33.

The square root of 145234455 is about 12051.3258606678. The cubic root of 145234455 is about 525.6417910806.

Adding to 145234455 its reverse (554432541), we get a palindrome (699666996).

The spelling of 145234455 in words is "one hundred forty-five million, two hundred thirty-four thousand, four hundred fifty-five".